BASIC WIRING PRACTICE - Practice Mode

1) What is the function of circuit breaker?

Making contact at normal condition Making contact at abnormal condition Breaking automatically at abnormal condition Physical breaking contact at abnormal condition

Correct Answer: Breaking automatically at abnormal condition

2) What is the function of bimetallic strip in MCB ?

Over load protection Short circuit protection Over voltage protection Earth leakage protection

Correct Answer: Over load protection

3) What protection offered by residual current circuit breaker?

Protection from shock Protection from over load Protection from short circuit Protection from leakage current

Correct Answer: Protection from shock

4) Which wiring is suitable for temporary installations?

Cleat wiring Concealed wiring PVC conduit wiring Metal conduit wiring

Correct Answer: Cleat wiring

Explanation:

Cleat wiring comprises of PVC insulated wires or ordinary VIR that are braided and compounded. They are held on walls and ceilings using porcelain cleats with groves, wood or plastic. Cleat wiring is a temporary wiring system, therefore making it unsuitable for domestic premises.

5) Where the phase conductor is looped in looping system of wiring?

Switch box Junction box Distribution box Socket connection

Correct Answer: Socket connection

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